Keyphrases
- revised selected papers
- content and structure
- focused retrieval
- lecture notes in artificial intelligence
- xml retrieval
- computer science
- lecture notes
- international workshop
- xml documents
- semi structured
- wikipedia collection
- information retrieval systems
- xml queries
- document retrieval
- information retrieval
- retrieval systems
- xml elements
- ad hoc retrieval
- keyword queries
- selected papers
- xml data
- data model
- xml ir
- artificial intelligence
- machine learning
- web pages
- document structure
- multimedia
- database systems
- relational databases
- relevance feedback